ComfyUI_Spectrum4LTXV_DL
customized comfyui integration of Spectrum for LTXV by DL
Quick Technical Summary: ComfyUI_Spectrum4LTXV_DL
- Base VRAM Footprint:
- 128 MB (4 GB Tier)
- Primary Dependencies:
- accelerate, diffusers==0.34.0, ftfy# for wan2.1, hydra-core, imageio, imageio-ffmpeg, protobuf# for flux, torch==2.7.1, transformers==4.51.1
- Min PyTorch / CUDA:
- PyTorch 2.0+ | CUDA 12.1+
- GitHub Repository:
- https://github.com/lieding/ComfyUI_Spectrum4LTXV_DL
Citation Note: Data sourced from VRAM DB. For complete workflow OOM estimations, use the VRAM DB Workflow Analyzer.
How much VRAM does ComfyUI_Spectrum4LTXV_DL require?
Direct Answer: The ComfyUI node ComfyUI_Spectrum4LTXV_DL requires a minimum base VRAM of 128MB and is optimized for GPUs with at least 4GB of VRAM. Low VRAM mode is fully supported for resource-constrained setups.
- Base VRAM:
- 128MB (0.1GB)
- Recommended GPU:
- 4GB+ VRAM
- Low VRAM Mode:
- ✓ Supported
- Estimation Confidence:
- MEDIUM
Interactive VRAM Compatibility Estimator
Your GPU has plenty of headroom. You can run this node safely with your active configurations!
Struggling with VRAM Crashes or Out-of-Memory Errors?
Running heavy models like FLUX or SDXL with ComfyUI_Spectrum4LTXV_DL? If you experience torch.cuda.OutOfMemoryError or driver timeouts, read our comprehensive troubleshooting guide to configure launch flags, enable tiled decoding, and avoid crashes.
Verify Compatibility for Your Specific GPU VRAM
Select your graphics card's VRAM capacity to view optimized batch sizes, suggested resolutions, and custom performance tips for ComfyUI_Spectrum4LTXV_DL:
What Python packages are required for ComfyUI_Spectrum4LTXV_DL?
Direct Answer: Running ComfyUI_Spectrum4LTXV_DL requires installing the following Python package dependencies: accelerate, diffusers==0.34.0, ftfy# for wan2.1, hydra-core, imageio, imageio-ffmpeg, protobuf# for flux, torch==2.7.1, transformers==4.51.1. Ensure your ComfyUI environment has these packages active before launching.
accelerate
diffusers==0.34.0
ftfy# for wan2.1
hydra-core
imageio
imageio-ffmpeg
protobuf# for flux
torch==2.7.1
transformers==4.51.1Interactive Setup & Dependency Resolver
# Loading command...Universal Architecture Compatibility
ComfyUI_Spectrum4LTXV_DL operates as a general-purpose processor without binding directly to a single checkpoint architecture. It can be paired across Stable Diffusion 1.5, SDXL, FLUX, and video diffusion pipelines.
Frequently Asked Questions
How much VRAM does ComfyUI_Spectrum4LTXV_DL require?
ComfyUI_Spectrum4LTXV_DL requires a minimum of 128MB (0.1GB) of VRAM for base operation. For optimal performance, a GPU with at least 4GB of VRAM is recommended. This node supports low VRAM mode for resource-constrained setups.
Can I run ComfyUI_Spectrum4LTXV_DL on an RTX 3060, RTX 4070, or RTX 4090?
✅ RTX 3060 (12GB): Yes, fully compatible with 10.7GB headroom. ✅ RTX 4070 (12GB): Yes, fully compatible with 10.7GB headroom. ✅ RTX 4070 Ti (16GB): Yes, fully compatible with 14.3GB headroom. ✅ RTX 4090 (24GB): Yes, fully compatible with 21.5GB headroom
How much VRAM does ComfyUI_Spectrum4LTXV_DL take on an RTX 3060 vs RTX 4090?
On an RTX 3060 (12GB VRAM), ComfyUI_Spectrum4LTXV_DL runs smoothly on an RTX 3060 (12GB) with 10.7GB of headroom. This is sufficient to run the node alongside standard SD 1.5 and SDXL workflows in full precision. On an RTX 4090 (24GB VRAM), the node runs with extreme headroom on an RTX 4090 (24GB) with 21.5GB of dedicated headroom. This allows you to combine the node with massive models (like FLUX.1 Dev, Schnell, or Hunyuan Video) in full precision (FP16) without any offload flags.
What PyTorch version does ComfyUI_Spectrum4LTXV_DL need?
ComfyUI_Spectrum4LTXV_DL requires the following PyTorch-related packages: torch==2.7.1. Ensure your ComfyUI environment has these installed. Ensure your PyTorch installation matches your CUDA version (use torch.version.cuda to check).
What Python packages are required for ComfyUI_Spectrum4LTXV_DL?
To run ComfyUI_Spectrum4LTXV_DL, you need to install: accelerate, diffusers==0.34.0, ftfy# for wan2.1, hydra-core, imageio, imageio-ffmpeg, protobuf# for flux, torch==2.7.1, transformers==4.51.1. You can install these using pip or add them to your requirements.txt file.
How can I reduce VRAM usage when running ComfyUI_Spectrum4LTXV_DL?
ComfyUI_Spectrum4LTXV_DL supports low VRAM mode. To reduce memory usage: (1) Enable --lowvram or --medvram flags in ComfyUI, (2) Reduce batch size to 1, (3) Use fp16 or fp8 precision if supported, (4) Close other GPU applications.
How do I install ComfyUI_Spectrum4LTXV_DL in ComfyUI?
To install ComfyUI_Spectrum4LTXV_DL: (1) Navigate to your ComfyUI/custom_nodes directory, (2) Clone the repository: git clone https://github.com/lieding/ComfyUI_Spectrum4LTXV_DL, (3) Install dependencies: pip install -r requirements.txt (if present), (4) Restart ComfyUI. Alternatively, use ComfyUI Manager for one-click installation.
Are you the author of this node?
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